Hitting enter in location input of dashboard page submits page

It looks like it should search for the entered query, not submit the form. 

![image](https://f.cloud.github.com/assets/80975/102686/42c3158a-6935-11e2-9891-df42661ab51d.png)

I'm not sure on exactly the right thing to do here.  I think we may need some JS to catch the event to avoid submitting the form.